generate an architectural space planning layout for a medical exhibition focused on plastic surgery with 20 exhibition stands use the provided floor plan as base reference orange areas are indoor exhibition spaces blue area is a glazed patio green area is the main convention hall and pink area is the staircase access from the upper level distribute stands across both indoor hall and patio maintaining strong visual and physical connection with the convention area optimize visitor circulation entry from staircase main flow paths cross connections between orange and blue zones and avoid dead ends integrate small coffee break points lounge islands and informal meeting zones near stand clusters to increase dwell time ensure clear wayfinding balanced density accessibility and smooth transitions between exhibition and convention spaces output should include zoning circulation arrows stand modules social areas and spatial hierarchy
